QR code reference tables

Capacity, module counts, error-correction blocks and size-by-distance — generated from the spec, not copied from a blog.

• QR code data capacity tableThe maximum a QR code can hold is 7,089 digits, 4,296 uppercase alphanumeric characters, 2,953 bytes or 1,817 kanji — all at version 40, error-correction…
• QR code size by scanning distancePrinted width should be at least the scanning distance divided by ten. This table applies that rule across the distances that occur in practice, from a…
• QR code version and module count tableEvery QR version's module count follows one formula: 17 + 4 × version. Version 1 is 21 × 21 modules and version 40 is 177 × 177. This table lists all…